Excellerations Archway Engineering Block Set Item # Keystone

BUILD TOWERS WALLS AND MORE: Younger kids can use the set of trapezoid-shaped blocks to build unusual towers naturally curving retaining walls or add to existing large blocks to make a crenellated castle wall. THE ARCH – AN ENGINEERING CHALLENGE: Older kids will thrive on the engineering challenge of building a real arch complete with keystone – it'll take teamwork and cooperation. The resulting arch is approximately 48 inches wide x 22 inches high – plenty big enough to crawl through! Manufactured by Excellerations. LIGHTWEIGHT FOAM BLOCKS: Blocks are made of lightweight EVA foam that's super-easy to stack. 10 trapezoid-shaped supporting blocks (7.25 inches x 5.5 inches x 3 inches thick) have outer grooves to help kids align the arch. Keystone block measures 13.5 inches x 7 inches x 3 inches thick. CONVENIENT STORAGE BAG: Sturdy vinyl storage bag keeps all the Archway Engineering Blocks conveniently at hand for your next building challenge. POWERFUL LEARNING TOOLS: Stacking and arranging blocks stimulates motor development and spatial reasoning. The Archway Engineering Blocks Set also fosters language social skills and collaboration – building an arch builds vocabulary and teamwork!